Our cross-disciplinary team reflects our approach to discovering actionable
insights. We also draw on our extensive networks in the Greater Boston technology clusters and beyond.
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Charlie Parker | Principal Consultant & FounderCharlie started his career at JP Morgan and worked in private equity and family offices before starting Ratel in 2017. His primary role is providing market intelligence and advisory solutions to clients throughout the energy storage value chain where he focuses on growth strategies in emerging battery technology for startups, corporations, and universities as well as government, industry groups, finance, and professional service providers. His experience in evaluating niche and opaque markets and the economics that underpin them form the basis of his approach to deep research and holistic strategy development. |
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Kira Tian | Associate ConsultantKira is a sophomore at Harvard University from Lexington, MA. She is double majoring in Statistics and Psychology with a minor in Economics. On campus, Kira serves as the Vice President of the Global Research and Consulting Group. She is also involved in research at Harvard Business School’s Behavioral Lab and loves to dance in her free time. |
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Poorna Chakraborty | Associate ConsultantPoorna Chakraborty is a freshman at Tufts University pursuing a Bachelors in Quantitative Economics and International Relations with a minor in finance and entrepreneurship. As an analyst for the Tufts Consulting Collective and Tufts Investment Club, she has gained invaluable experience collaborating with diverse clients to conduct thorough due diligence, offer insightful portfolio management recommendations, and provide valuable market research. On campus, she also serves as the treasurer of the Philippine Student Union and performs in opera productions as a classically trained singer. |
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Hawa Hamidou Tabayi | Associate ConsultantHawa is a sophomore at Dartmouth College double majoring in Economics and African Studies. She is fluent in French and proficient in tools like ArcGIS and Stata. Hawa is a social justice leader and hopes to pursue anti-colonial, environmental justice, and socioeconomic policymaking in Françafrique countries and intends to pursue human rights and land sovereignty law. |
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Karoline Jimenez | Research AnalystKaroline is a Data Analytics student with skills in data analysis, program evaluation, and project optimization, currently advancing her studies at Bunker Hill Community College. She possesses a bachelor’s degree in civil engineering, with a strong academic background and practical experience in construction project management, structural analysis, and data-driven decision-making. Capable of combining engineering knowledge with advanced analytical tools, such as SQL, Excel, and R, to develop sustainable solutions. Bilingual in Spanish and English, with a strong foundation in technical tools and data analytics. |